let us have fish for lunch ,shall we?还可以等于（）()have fish for lunch?()()having fish for lunch?

let us have fish for lunch ,shall we?还可以等于（）()have fish for lunch?()()having fish for lunch?
That suit fits me very well等于That suit ()()()me.
What do you do for Chinese New Year in Beijing?等于()do you ()Chinese New Year in Beijing?